Winding-machine.



C. F. PERHAM.

WINDING MACHINE.

APPLICATION FILED JANA, 190e. RBNBWED rms. 2a, 1912.

1,041,157. Patented Oct. 15, 1912.

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CHARLES F. PERI-IAM, OF LOWELL, MASSACHUSETTS.

WINDING-MACHINE.

Patented Oct. 15, 1912.

Application le. January 4, 1908, Serial No. 409,315, Renewed February23, 1912. Serial No. 679,499.

To all 'whom it may concern:

Be it known that I, CHARLES F. InnnAM, of Lowell, in t-he county ofMiddlesex and State of Massachusetts, have invented certain new anduseful Improvements in lVinding-Machines, of which the following is aspecification.

This invention has relation to winding machines, or those machines inwhich a yarn is drawn from a bobbin, cop or spool and wound in a coneupon a cop so that the yarn may be subsequently drawn with ease from thecone for knitting or other purposes. It is essential that the yarn shallbe laid in such manner upon the cop that it may be drawn therefromeasily and without snarling, and that the courses or convolutions oft-he yarn upon the cop shall be laid as evenly as possible, so thatthere will be no more yarn at one part of the cop than there is at theother, and furthe-r that the tension of thevarious convolutions upon thecop shall be the same.

The object of the present invention is to provide a simple means foreffecting the movement of the thread guide in such manner that therewill be no substantial dwell at the ends of its movement.

To this end, the invention consists of an improved power-transmitt-ingmechanism interposed between the thread guide and the drivingshaft,which is illustrated in the drawings, set forth in the followingspecifi* cation, and particularized in the appendedV claims.

Referring to the said drawings, Figure l represents an end elevation ofthe winding machine, equipped with my invention. Fig. 2 represents afront elevation of a portion of the machine. Figs. 3 and 4l representanother' embodiment of the invention in which pivoted levers having aslotted connection are utilized in lieu of the segmental gearsillustrated in Fig. l.

On the drawings, I have illustrated a common form of winding machine inwhich the driving shaft a lis provided with a gear b intermeshing withand driving a larger gear c on a shaft Z extending longitudinally of theframe.

e indicates one of a series of rocking arms or levers which are attachedto the shaft e extending longitudinally of the machine. Connected to theupper end of each of the arms e is pivo'ted two connecting rods e2 c2having at their ends pins or projections which slide in the inclinedguideway e3. At the end of each of the rods e2 is a yarn guide c", theyarn m being drawn from the sources of supply which are here illustratedas cops j' on spindles f attached to the stationary brackets g gindicate shafts which are arranged horizontally and which are journaledin bearings g. These shafts have driving whirls g2 on their inner ends,and driving cones g on their outer ends.

The cop spindles are indicated at /L and they are mounted in bearings Iton the ends of arms loosely pivoted on bracket-s ha as shown in Fig. 2.The cops and the yarn cones thereon rest loosely upon the driving concsg3, whereby they are rotated at the same surface speed as said drivingcones. The whirls g2 of each adjacent pair are driven by an endless beltc' which passes under a driving pulley b on the shaft a, and under anidle pulley y' journaled in an arm j', pivoted. at j to thelongitudinally extending rail For the purpose of reciprocating thethread guides e'L without an appreciable dwell at the ends of theirreciprocating movements, l employ a novel transmitting connection forthis purpose. Attached either to the gear c or to a crank arm on theshaft (l is a crank or crank pin 7c which is connected by a connecting'vrod 7a with the end of a lever k2 which swings through an arc, theradius of which is longer than the radius of the are of movement of thecrank It'. The lever 7a2 is fulcrumed upon a stud 7c3 and its hub isprovided with a segmental gear or segmental gear teeth 7u" intermeshingwith a segmental gear las, (which gears may be elliptic or irregular) onthe end of the shaft c. The segmental gear lc is provided withoppositely projecting fingers 7c which alternately engage aspring-tension plate 7c?. This plate is mounted upon a rod las adaptedto slide in brackets and normally held upward by a spring le. The radiiof the crank and the lever 7.1": are so nearly equal that the pivot bywhich the lever and the connecting rod are joined, approaches veryclosely to a line intersecting the shaft cl and the stud i. Appreciablewear of the pivots of the connecting rod and slight resiliency of theconnecting rod, might permit the joint with the lever k2 to pass acrossthe line above-mentioned unless some cushioning device is provided forpreventing such movement of the lever. The cushioning device includingthe spring 709 is provided for this purpose and it incidentally rendersthe movement of the oscillating parts considerably smoother than wouldbe the case without such device. From this construction, it will be seenthat, when the shaft 07 is rotated, the crank 70 and connecting rod 70will effect an oscillation of the arm or lever 702. This oscillationwill be imparted to the arms c through the shaft e and the segmentalgears 70* 705 without an appreciable dwell at the ends of thereciprocations of the thread guides c4. In this way, I dispense with theemployment of cams and provide a positive connection between the threadguides and the driving shaft which is capable of much higher speed thanwould be possible with a cam connection.

It is quite apparent that, in lieu of the segmental gears, I may employsome other power-transmitting connection such as that shown in Figs. 3and 4. In this case, the arm 702 is connected with` the `rod Z0 in themanner described in connection with Figs. l and 2, and said arm isprovided at its end with a pin m which projects through an elongatedslot n in an arm or lever n which is secured upon the shaft c. Themodification consists-in substituting the arm or lever n and itsadjuncts for the segmental toothed connection illustrated in Fig. l;When the arm or lever 702 is oscillated, by the connecting rod 70, itwill eect the oscillation of the arm n through an arc of smaller degreeso that I am able to secure practically the same results as I secure bythe segmental gear connection between the arm 702 and the shaft e.

The advantage of employing the tension plate 707 is that I take up theslack or lost motion between the parts and store the energy in stoppingone stroke of the thread guide which is utilized in beginning the strokein the opposite direction.

Having thus explained the nature of my said invention and described away of constructing and using the same, although without attempting toset forth all of the forms in which it may be made or all of the modesof its use, I declare that what I claim is l. In a winding machine, athread guide movable in a straight line, a crank pin movable in acircular path, means for driving said crank pin at a uniform rate ofspeed, an oscillatory member, a rod connected to said crank pin and saidoscillatory member in such relation as to oscillate the latter throughsubstantially 180 degrees of a circle, reducing gearing driven forwardand backward by said oscillatory member, and connections between saidreducing gearing and said thread guide for reciprocating the latter.

2. In a winding machine a rock-shaft, a series of reciprocatory threadguides, arms affixed upon said rock-shaft and acting directly upon saidthread guides, a crank revolving at a uniform speed, an oscillatorymember, means for transmitting oscillation in a less pro-portion fromsaid oscillatory j member to said rock-shaft, and a connecting rodengaging said crank and pivotally connected to said oscillatory memberat a point of slightly greater radius than that of said crank, wherebysaid oscillatory member is y g sion first in one direction and then inthe f opposite direction upon the aforesaid reciprocating parts.

4. In a winding machine, a reciprocatory thread guide, an oscillatorymember, means for transmitting reciprocating movement from saidoscillatory member to said thread guide, an operating crank-pin movablein a circular path, a rod connecting said oscillatory member and saidcrank-pin, said connecting rod being so pivotally connected to f saidoscillatory member as to swing the point of connection at both ends ofits movement substantially to a line intersecting the axes of movementof said crank-pin and said oscillatory member, and spring-tension meansadapted to prevent said point of connection from passing across saidline.

In testimony whereof I have afliXed my signature, in presence of twowitnesses.

CHARLES F. PERHAM. Vitnesses:

U. BILLAY, P. W. PEZZETTI.

Copies of this patent may be obtained for ve cents each, by addressingthe Commissioner of Patents, Washington, D. C.

